require "yaml"

class Todo
  YAML.mapping(
    message: { type: String, nilable: false },
    project: { type: String, nilable: true },
    created_at: { type: Time, nilable: false, default: Time.now },
    updated_at: { type: Time, nilable: false, default: Time.now },
    due_to: { type: Time, nilable: true },
    done: { type: Bool, nilable: false, default: false }
  )

  def initialize(message : String, project : String?, due_to : Time? = nil)
    @message = ""
    @created_at = Time.now
    @updated_at = Time.now
    @done = false
    self.message = message
    self.project = project
    self.due_to = due_to
  end

  def update(message : String, project : String? | Nil?, due_to : Time? | Nil?)
    updateTime
    @message = message
    @project = project
    @due_to = due_to
    self
  end

  def update(message : String, project : String)
    update message: message, project: @project, due_to: @due_to
  end

  def update(message : String, due_to : Time)
    update message: message, project: @project, due_to: @due_to
  end

  def update(message : String)
    update message: message, project: @project, due_to: @due_to
  end

  def toggleDone
    updateTime
    @done = !@done
  end


  private def updateTime
    @updated_at = Time.now
  end
end

class TodoList
end

module TodoApp
	class Cli
    def start
    end
  end
end

# Testing Todo class
todo = Todo.new message: "Message", project: "Home"
puts todo

todo.update message: "Hello"
todo.update message: "Hello2", project: "Work"
todo.update message: "Hello3", project: "Team"
todo.update message: "Hello3", project: "Team", due_to: Time.now
puts todo.due_to
sleep 5.seconds
todo.update message: "Hello3", due_to: Time.now
puts todo.due_to